package com.zut.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.zut.common.R;
import com.zut.entity.Employee;
import com.zut.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;

import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        String password = DigestUtils.md5DigestAsHex(employee.getPassword().getBytes());
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
       queryWrapper.eq(Employee::getUsername,employee.getUsername());
       Employee emp= employeeService.getOne(queryWrapper);
       if(emp==null){
           return R.error("登录失败");
       }
       if(!emp.getPassword().equals(password)){
           return R.error("密码错误");
        }
       if(emp.getStatus()==0){
           return R.error("账号已禁用");
       }
       request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }



    @PostMapping
    public R<String> save(@RequestBody Employee employee,HttpServletRequest request){

        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
        //employee.setCreateTime(LocalDateTime.now());
       // employee.setUpdateTime(LocalDateTime.now());
      //  Long empId = (Long)request.getSession().getAttribute("employee");
       // employee.setCreateUser(empId);
       // employee.setUpdateUser(empId);
        employeeService.save(employee);
        return R.success("新增员工成功");
    }


    @GetMapping("/page")
    public R<Page> page(Integer page,Integer pageSize,@RequestParam(required = false) String name){
       //分页构造器
        Page pageInfo = new Page(page,pageSize);
        //条件构造器
        LambdaQueryWrapper<Employee> query = new LambdaQueryWrapper();
        query.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        query.orderByDesc(Employee::getUpdateTime);
        employeeService.page(pageInfo,query);

        return R.success(pageInfo);
    }

    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){

        Employee employee = employeeService.getById(id);
        if(employee!=null){
            return R.success(employee);
        }
        return R.error("没有查询到对应员工信息");
    }

    @PutMapping
    public R<String> update(@RequestBody Employee employee,HttpServletRequest request){

      //  employee.setUpdateTime(LocalDateTime.now());
    //    employee.setUpdateUser((Long) request.getSession().getAttribute("employee"));
        employeeService.updateById(employee);

        return R.success("员工信息修改成功");
    }
}
